The leaders of top tech companies are irreversibly changing how people work and live, while shaping the future with artificial intelligence — but most have a seriously weird way of viewing the world. One burns wooden effigies at holiday parties, another is a doomsday prepper and health paranoid “cyber-chondriac,” while a third founded an AI-God worshipping cult.    These moguls tell us their AI systems — which they admit they don’t fully understand — are beneficial. However, experts say it’s a